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  "domain": "derivatives",
  "title": "TOPIX futures (OSE)",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "TOPIX futures (OSE)",
    "aliases": [
      "topix-futures",
      "TOPIX futures",
      "mini TOPIX futures",
      "TOPIX Mini",
      "OSE TOPIX futures",
      "東証株価指数先物",
      "TOPIX Core 30 futures"
    ],
    "domain": "derivatives",
    "type": null,
    "created": "2026-05-25",
    "last_updated": "2026-07-29",
    "last_tended": "2026-07-29",
    "review_by": "2027-01-29",
    "confidence": "likely",
    "tags": [
      "derivatives",
      "equity-derivatives",
      "TOPIX",
      "OSE",
      "JPX",
      "futures",
      "ETF-basis"
    ],
    "status": "active",
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    "sources": [
      "https://www.jpx.co.jp/english/markets/indices/topix/",
      "https://www.jpx.co.jp/english/derivatives/products/domestic/topix-futures/01.html",
      "https://www.jpx.co.jp/english/derivatives/products/domestic/mini-topix-futures/01.html",
      "https://www.jpx.co.jp/english/derivatives/products/domestic/topix-core30futures/01.html",
      "https://www.jpx.co.jp/english/derivatives/products/domestic/topix-banks-index-futures/01.html",
      "https://www.jpx.co.jp/jscc/en/cash/futures/marginsystem/VaR.html",
      "https://www.boj.or.jp/en/mopo/mpmdeci/state_2024/k240319a.htm",
      "https://www.boj.or.jp/en/mopo/mpmdeci/state_2025/k250919a.htm"
    ]
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  "summary": "TOPIX futures are exchange-listed equity-index futures on the Tokyo Stock Price Index (TOPIX). JPX describes TOPIX as an investable, free-float-adjusted market-capitalization-weighted benchmark covering an extensive proportion of the Japanese stock market. The current constituent set must be read fr",
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    "Wiki route",
    "Contract Specifications",
    "TOPIX vs Nikkei 225: Methodological Difference",
    "Cash-Futures Basis Framework",
    "Investor-Data Boundary",
    "Sub-Index Futures: Core30 and Banks",
    "Clearing and Margin",
    "Related"
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